POMPA CALPEDA NMD 40/180A/B use for :
- Clean liquids without abrasives, which are non-aggressive for the pump materials ( solids content up to 0.2% ).
- Water supply.
- Heating, air-conditioning, cooling and circulation plants.
- Civil and industrial applications.
- Fire fighting applications. For Irrigation.
Construction
Close-coupled, centrifugal pumps; electric motor with extended shaft directly connected to the pump.
NM: single-impeller
NMD: with two back-to-back impellers ( with axial thrust balancing ).
Connections: threaded ports ISO 228/1 ( BS 2779 ).
NM, NMD: version with pump casing and lantern bracket in cast iron.
Operating conditions
- Liquid temperature from -10 0C to +90 0C.
- Ambient temperature up to 40 0C.
- Total suction lift up to 7 m.
- Maximum permissible working pressure up to 10 bar ( 16 bar for pumps NMD 25/190; NMD 32/210; NMD 40/180 ).
- Continuous duty.
Motor
- 2-pole induction motor, 50 Hz ( n ≈ 2900 rpm ).
- NM, NMD: three-phase 230/400 V ± 10% up to 3 kW.
400/690 V ± 10% from 4 to 9,2 kW. - NMM, NMDM: single-phase 230 V ± 10%, with thermal protector.
- Insulation class F. Protection IP 54.
- Motor suitable for operation with frequency converter from 1,1 kW.
- Classification scheme IE3 for three-phase motors from 0,75 kW.
- Constructed in accordance with EN 60034-1; EN 60034-30-1.
EN 60335-1, EN 60335-2-41.
Special features on request
- Other voltages. -Frequency 60 Hz ( as per 60 Hz data sheet ).
- Protection IP 55. – Special mechanical seal.
- Higher or lower liquid or ambient temperatures.
- Motor suitable for operation with frequency converter up to 0,75 kW.
Specifications
- Rated Motor Power Output : 9,2 kW, 12,5 HP
- Kapasitas Pompa ( Q ) : Total Head ( H )
7,5 m3/h ( 125 l/min ) : 94 m
8,4 m3/h ( 140 l/min ) : 93 m
9,6 m3/h ( 160 l/min ) : 92 m
10,8 m3/h ( 180 l/min ) : 91 m
12 m3/h ( 200 l/min ) : 89,5 m
13,2 m3/h ( 220 l/min ) : 88 m
15 m3/h ( 250 l/min ) : 85 m
16,8 m3/h ( 280 l/min ) : 82 m
18,9 m3/h ( 315 l/min ) : 78 m
21 m3/h ( 350 l/min ) : 74* m
